Bible Verses About Doubt

"And Jesus answering saith unto them, Have faith in God. 
For verily I say unto you, That whosoever shall say unto this mountain,
Be thou removed, and be thou cast into the sea; and shall not doubt in his heart, but shall believe that those things which he saith shall come to pass;
he shall have whatsoever he saith. Therefore I say unto you, What things soever ye desire, when ye pray,  believe that ye receive them,
and ye shall have them."
Mark 11:22-24 (KJV)

"Immediately Jesus reached out his hand and caught him.
"You of little faith," he said, "why did you doubt?""
Matthew 14:31 (NIV)

"Jesus replied, "I tell you the truth, if you have faith and do not doubt, not only can you do what was done to the fig tree, but also you can say to this mountain,  'Go, throw yourself into the sea,' and it will be done."
Matthew 21:21 (NIV)

"But when he asks, he must believe and not doubt,
because he who doubts is like a wave of the sea,
blown and tossed by the wind."
James 1:6 (NIV)

"Now faith is the substance of things hoped for,
the evidence of things not seen."
Hebrews 11:1 (KJV)

"But without faith it is impossible to please him:
for he that cometh to God must believe that he is,
and that he is a rewarder of them that diligently seek him."
Hebrews 11:6 (KJV)

"The faithless will be fully repaid for their ways,
and the good man rewarded for his."
Proverbs 14:14 (NIV)

"But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed.  For let not that man think that he shall receive any thing of the Lord. A double minded man is unstable in all his ways."
James 1:6-8 (KJV)

"But my righteous one will live by faith.
And if he shrinks back, I will not be pleased with him."
Hebrews 10:38 (NIV)

"As the body without the spirit is dead, so faith without deeds is dead."
James 2:26 (NIV)